The EMX D-TEK LP is a standard vehicle loop detector that can be used in any 11 pin harness or socket. This unit is desinged to work in low voltage applications where you can simply use the 12 or 24V AC/DC power supplied by the gate operator. Because of the super low power draw from the unit (9 mA) this unit is perfect for solor applications. The unit also offers the ability to work in both fail safe or fail secure mode based on your application needs.